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Numerical Verification of an Analytical Model for Phase Noise in MEMS Oscillators

机译:MEMS振荡器相位噪声分析模型的数值验证

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摘要

A new analytical formulation for phase noise in MEMS oscillators was recently presented encompassing the role of essential nonlinearities in the electrical and mechanical domains. In this paper, we validate the effectiveness of the proposed analytical formulation with respect to the unified theory developed by Demir et al. describing phase noise in oscillators. In particular, it is shown that, over a range of the second-order mechanical nonlinear stiffness of the MEMS resonator, both models exhibit an excellent match in the phase diffusion coefficient calculation for a square-wave MEMS oscillator.
机译:最近提出了一种新的MEMS振荡器相位噪声分析公式,该公式包含了电气和机械领域中基本非线性的作用。在本文中,相对于Demir等人开发的统一理论,我们验证了所提出的分析公式的有效性。描述振荡器的相位噪声。尤其是,显示出,在MEMS谐振器的二阶机械非线性刚度的范围内,两个模型在方波MEMS振荡器的相位扩散系数计算中均表现出出色的匹配性。

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